Hello,
I have a text whose content is like: aabbbbaa bbaaaabbaa aaxxxbb bb776yhghhaa I want to switch all "aa" and "bb". I can handle this use regex: s/aa|bb/$& eq 'aa'?'bb':'aa'/ge; But how to use 'tr' doing that? Thanks. //Xiao lan -- To unsubscribe, e-mail: beginners-unsubscr...@perl.org For additional commands, e-mail: beginners-h...@perl.org http://learn.perl.org/
